		body{
			background-color: #f7f7f7;
		}
		header{
			width: 100%;
			background-color: #fff;
		}

		.centerBg{
			height: 490px;
			background-color: #f7f7f7;
		}
		.centerList_tar{
			color: #2b7fc2;
		}
		.centerBgLight{
			position: absolute;
			background-color: #fff;
			width: 1200px;
			padding: 30px;
			left: 0;
			right: 0;
			top: 100px;
			margin: 0 auto;
			border-radius: 5px;
		}
		.centerBgLight_img{
			width: 450px;
			height: 260px;
			overflow: hidden;
			border-radius: 5px;
			float: left;
		}
		.centerBgLight_text{
			float: left;
			color: #707070;
			font-size: 15px;
			margin-left: 45px;
		}
		.centerBgLight_tit{
			color: #000;
			font-size: 21px;
			font-weight: 600;
		}
		.centerBgLight_logo{
			background-color: #2b7cd2;
			display: inline-block;
			color: #fff;
			font-size: 13px;
			padding: 1px 15px;
			border-radius: 10px;
			margin: 15px 0;
		}

		.centerBgLight_list > div{
			display: flex;
			margin-bottom: 4px;
		}
		.buleColor{
			color: #4f7aab;
		}
		.centerBgLight_proInc{
			margin-top: 15px;
		}
		.centerBgLight_pro{
			margin: 0 20px;
			display: inline-block;
			width: 450px;
			background-color: #eeeeee;
			height: 13px;
			border-radius: 10px;
			position: relative;
			overflow: hidden;
		}
		.centerBgLight_proBlue{
			position: absolute;
			background-color: #3279ca;
			left: 0;
			top: 0;
			bottom: 0;
			height: 13px;
			width: 0%;
		}
		.centerBgLight_course{
			margin: 15px 0 0 50px;
		}

		.centerBg{
			background-color: #f7f7f7;
		}
		.video{
			overflow: auto;
			width: 1200px;
			margin: 0 auto;
			margin-bottom: 45px;
		}
		.videoLeft{
			float: left;
			width: 860px;
			background-color: #fff;
		}
		.videoTitle{
			padding: 30px;
			font-size: 15px;
			font-weight: 600;
			border-bottom: 2px solid #f7f7f7;
		}
		.videoLeft_listInc{
			padding: 35px 0 100px 0;
		}
		.videoLeft_list{
			padding: 15px 0;
			overflow: auto;
		}
		.videoLeft_listSel{
			float: left;
			width: 13px;
			height: 13px;
			border-radius: 20px;
			border: 1px solid #959595;
			margin: 2px 20px 0 30px;
		}
		.videoLeft_list.videoLeft_listTar{
			background-color: #f5f9fd;
		}
		.videoLeft_listTar .videoLeft_listSel{
			background-color: #2681d7;
			border-color: #2681d7;
		}
		.videoLeft_listTar .videoLeft_listText{
			color: #4f7aab;
		}
		.videoLeft_listText{
			float: left;
			font-size: 14px;
			color: #272727;
		}
		.videoLeft_listLogo{
			float: right;
			margin-right: 90px;
		}
		.videoRight{
			float: right;
			width: 320px;
			background-color: #fff;
		}
		.videoRight_text{
			padding: 45px 30px;
			font-size: 14px;
			color: #272727;
		}

		.blueBtn{
			width: 290px;
    		border: none;
    		color: #fff;
    		background-color: #327ac7;
    		height: 40px;
    		border-radius: 5px;
    		margin: 20px 15px;
		}